/*
 *
 *  * Copyright (C) 2015 Square, Inc.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */
package com.lark.oapi.okhttp.internal.proxy;

import java.io.IOException;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.util.Collections;
import java.util.List;

/**
 * A proxy selector that always returns the {@link Proxy#NO_PROXY}.
 */
public class NullProxySelector extends ProxySelector {

    @Override
    public List<Proxy> select(URI uri) {
        if (uri == null) {
            throw new IllegalArgumentException("uri must not be null");
        }
        return Collections.singletonList(Proxy.NO_PROXY);
    }

    @Override
    public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
    }
}
